The Imaging Systems Div. of Toshiba America Inc. has released the IK-TU51 three-CCD remote head camera for research functions such as microscopy. The camera is available with either 1/3- or 1/2-in. image sensors, and camera heads are interchangeable. It can detect down to 0.02 lx with a 4-s exposure, and it provides 800 lines of video resolution, 10-bit signal processing and a 14-step detail enhancement capability. The imager offers a six-vector color enhancement circuit, a freeze-frame function and a user-selectable one- or two-pulse triggering mechanism.